Home / 824,218,694.30-1,236,453,594.46-513,074,603.43

Finding the Fourth Proportional to 824,218,694.30, 1,236,453,594.46 and 513,074,603.43

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Solution

The fourth proportional to 824,218,694.30, 1,236,453,594.46 and 513,074,603.43 is: 769,690,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,218,694.30 : 1,236,453,594.46 = 513,074,603.43 : x
  2. Step 2: Convert to fraction form
    824,218,694.30/1,236,453,594.46 = 513,074,603.43/x
  3. Step 3: Cross multiply
    824,218,694.30x = 1,236,453,594.46 × 513,074,603.43
  4. Step 4: Simplify right side
    824,218,694.30x = 634,392,937,635,879,808
  5. Step 5: Solve for x
    x = 634,392,937,635,879,808/824,218,694.30
  6. Step 6: Final answer
    x = 769,690,061.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.